The test relies on the fact/assumes that CPU 0 is available to the
test process. This is not necessarily the case. Instead of allocating
CPU 0 to the main thread, find the first available CPU and use that
instead.
BUG=b/29991929
TEST=All Bionic unit tests pass
Change-Id: I36b311cdba57112d663d652757fd5114183fc780
Based on the package/apps/Terminal implementation. I'll switch them over
shortly. This also lets us build the toybox version of netcat.
Change-Id: Ia922a100141a67409264b43b937eeca07b21f344
